arch/arm/boot/dts/am335x-bone.dts

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 /dts-v1/;
   9
  10 #include "am33xx.dtsi"
  11
  12 / {
  13         model = "TI AM335x BeagleBone";
  14         compatible = "ti,am335x-bone", "ti,am33xx";
  15
  16         cpus {
  17                 cpu@0 {
  18                         cpu0-supply = <&dcdc2_reg>;
  19                 };
  20         };
  21
  22         memory {
  23                 device_type = "memory";
  24                 reg = <0x80000000 0x10000000>; /* 256 MB */
  25         };
  26
  27         am33xx_pinmux: pinmux@44e10800 {
  28                 pinctrl-names = "default";
  29                 pinctrl-0 = <&clkout2_pin>;
  30
  31                 user_leds_s0: user_leds_s0 {
  32                         pinctrl-single,pins = <
  33                                 0x54 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)  /* gpmc_a5.gpio1_21 */
  34                                 0x58 (PIN_OUTPUT_PULLUP | MUX_MODE7)    /* gpmc_a6.gpio1_22 */
  35                                 0x5c (PIN_OUTPUT_PULLDOWN | MUX_MODE7)  /* gpmc_a7.gpio1_23 */
  36                                 0x60 (PIN_OUTPUT_PULLUP | MUX_MODE7)    /* gpmc_a8.gpio1_24 */
  37                         >;
  38                 };
  39
  40                 i2c0_pins: pinmux_i2c0_pins {
  41                         pinctrl-single,pins = <
  42                                 0x188 (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_sda.i2c0_sda */
  43                                 0x18c (PIN_INPUT_PULLUP | MUX_MODE0)    /* i2c0_scl.i2c0_scl */
  44                         >;
  45                 };
  46
  47                 uart0_pins: pinmux_uart0_pins {
  48                         pinctrl-single,pins = <
  49                                 0x170 (PIN_INPUT_PULLUP | MUX_MODE0)    /* uart0_rxd.uart0_rxd */
  50                                 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
  51                         >;
  52                 };
  53
  54                 clkout2_pin: pinmux_clkout2_pin {
  55                         pinctrl-single,pins = <
  56                                 0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
  57                         >;
  58                 };
  59         };
  60
  61         ocp {
  62                 uart0: serial@44e09000 {
  63                         pinctrl-names = "default";
  64                         pinctrl-0 = <&uart0_pins>;
  65
  66                         status = "okay";
  67                 };
  68
  69                 i2c0: i2c@44e0b000 {
  70                         pinctrl-names = "default";
  71                         pinctrl-0 = <&i2c0_pins>;
  72
  73                         status = "okay";
  74                         clock-frequency = <400000>;
  75
  76                         tps: tps@24 {
  77                                 reg = <0x24>;
  78                         };
  79
  80                 };
  81         };
  82
  83         leds {
  84                 pinctrl-names = "default";
  85                 pinctrl-0 = <&user_leds_s0>;
  86
  87                 compatible = "gpio-leds";
  88
  89                 led@2 {
  90                         label = "beaglebone:green:heartbeat";
  91                         gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
  92                         linux,default-trigger = "heartbeat";
  93                         default-state = "off";
  94                 };
  95
  96                 led@3 {
  97                         label = "beaglebone:green:mmc0";
  98                         gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
  99                         linux,default-trigger = "mmc0";
 100                         default-state = "off";
 101                 };
 102
 103                 led@4 {
 104                         label = "beaglebone:green:usr2";
 105                         gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
 106                         default-state = "off";
 107                 };
 108
 109                 led@5 {
 110                         label = "beaglebone:green:usr3";
 111                         gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;
 112                         default-state = "off";
 113                 };
 114         };
 115 };
 116
 117 /include/ "tps65217.dtsi"
 118
 119 &tps {
 120         regulators {
 121                 dcdc1_reg: regulator@0 {
 122                         regulator-always-on;
 123                 };
 124
 125                 dcdc2_reg: regulator@1 {
 126                         /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
 127                         regulator-name = "vdd_mpu";
 128                         regulator-min-microvolt = <925000>;
 129                         regulator-max-microvolt = <1325000>;
 130                         regulator-boot-on;
 131                         regulator-always-on;
 132                 };
 133
 134                 dcdc3_reg: regulator@2 {
 135                         /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
 136                         regulator-name = "vdd_core";
 137                         regulator-min-microvolt = <925000>;
 138                         regulator-max-microvolt = <1150000>;
 139                         regulator-boot-on;
 140                         regulator-always-on;
 141                 };
 142
 143                 ldo1_reg: regulator@3 {
 144                         regulator-always-on;
 145                 };
 146
 147                 ldo2_reg: regulator@4 {
 148                         regulator-always-on;
 149                 };
 150
 151                 ldo3_reg: regulator@5 {
 152                         regulator-always-on;
 153                 };
 154
 155                 ldo4_reg: regulator@6 {
 156                         regulator-always-on;
 157                 };
 158         };
 159 };
 160
 161 &cpsw_emac0 {
 162         phy_id = <&davinci_mdio>, <0>;
 163 };
 164
 165 &cpsw_emac1 {
 166         phy_id = <&davinci_mdio>, <1>;
 167 };